Unverified Commit 31711b2c authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14864 drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check 

Merge Pull Request from: @ci-robot 
 
PR sync from: Lin Ruifeng <linruifeng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AO5IWBFD62BPA55L7UY6I6YZ2IEV7S33/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBHBX6 
 
Link:https://gitee.com/openeuler/kernel/pulls/14864

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarYuan Can <yuancan@huawei.com>
Signed-off-by: default avatarYuan Can <yuancan@huawei.com>
parents 70a8e8cd 6d062434

drivers/gpu/drm/sti/sti_gdp.c

+3 −0
Original line number Diff line number Diff line
@@ -629,6 +629,9 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane, 


	mixer = to_sti_mixer(crtc);

	crtc_state = drm_atomic_get_crtc_state(state->state, crtc);

	if (IS_ERR(crtc_state))

		return PTR_ERR(crtc_state);



	mode = &crtc_state->mode;

	dst_x = state->crtc_x;

	dst_y = state->crtc_y;